Mushroom Spores If you’ve been searching for mushroom spores in Canada, you’ve likely come across liquid culture as an alternative. For many growers — especially beginners — the difference isn’t clear. This guide explains both options in plain language and helps you choose the right starting point for your grow. The quick answer: both work, but liquid culture is faster, cleaner, and more beginner-friendly for actual cultivation. Spores shine in research, microscopy, and bre